Chronic Airflow Limitation Flashcards by Chelsea V | Brainscape

Q

What are the main causes of dyspnea in obstructive lung disease?

A

Increased WOB
Hypoxemia
Hyperinflation

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Q

List mechanisms which cause increased airway resistance.

A

Smooth muscle contraction
Lumenal occlusion (ex. Mucus in airways)
Wall thickening (ex. Fibrosis)
Decreased lung elasticity
Obliteration

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Q

Equation for Resistance (R)…

A

R = (change in P) / Flow

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